Journal
CHEMICAL COMMUNICATIONS
Volume 58, Issue 8, Pages 1195-1198Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc02681j
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Funding
- National Natural Science Foundation of China [51773092, 21975124, 21975187]
- Research Foundation of State Key Lab [ZK201717]
- Opening Project of State Key Laboratory of High Performance Ceramics and Superfine Microstructure [SKL201911SIC]
- Guangdong Basic and Applied Basic Research Funds [2019A1515010848]
- Guangdong Pearl River Talent Program [2019QN01L309]
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By incorporating CuO into MXene scaffold, the electrode demonstrates significantly improved cyclability, achieving a capacity of 670 mA h g(-1) at 5C after 1000 cycles, providing a new solution for the application of conversion electrode materials in lithium-ion batteries.
Conversion electrode materials allow lithium-ion batteries to achieve high reversible capacities but have the problem of sluggish kinetics derived from their insulating decomposition products, thus hindering their future application. Nanostructures that shorten diffusion distances do not solve the problem as the conversion reaction is always associated with the collapse of the original structure. Here, we demonstrate that MXene would be a good conductive additive for conversion electrode materials and utilize an electrode of CuO incorporated into a MXene scaffold as a model case which demonstrates highly improved cyclability with a capacity of 670 mA h g(-1) at 5C after 1000 cycles.
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